The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

Many ancient cultures used the rising or setting sun to create calendars. Observe the setting sun once a week to come up with your own solar calendar!

This easy at-home experiment is a great way to "see" science.

In this activity, your kid will watch coal turn into crystals right before her very eyes, and learn some science along the way!

Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?